Package org.apache.flink.runtime.metrics

Class DescriptiveStatisticsHistogramStatistics

java.lang.Object

org.apache.flink.metrics.HistogramStatistics

org.apache.flink.runtime.metrics.DescriptiveStatisticsHistogramStatistics

All Implemented Interfaces:

Serializable

public class DescriptiveStatisticsHistogramStatistics
extends org.apache.flink.metrics.HistogramStatistics
implements Serializable

DescriptiveStatistics histogram statistics implementation returned by DescriptiveStatisticsHistogram.

The statistics takes a point-in-time snapshot of a DescriptiveStatistics instance and allows optimised metrics retrieval from this.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
DescriptiveStatisticsHistogramStatistics(double[] values)
DescriptiveStatisticsHistogramStatistics(org.apache.flink.runtime.metrics.DescriptiveStatisticsHistogram.CircularDoubleArray histogramValues)

Method Summary

Modifier and Type	Method	Description
long	getMax()
double	getMean()
long	getMin()
double	getQuantile(double quantile)
double	getStdDev()
long[]	getValues()
int	size()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DescriptiveStatisticsHistogramStatistics

public DescriptiveStatisticsHistogramStatistics(org.apache.flink.runtime.metrics.DescriptiveStatisticsHistogram.CircularDoubleArray histogramValues)

DescriptiveStatisticsHistogramStatistics

public DescriptiveStatisticsHistogramStatistics(double[] values)

Method Details

getQuantile

public double getQuantile(double quantile)

Specified by:

getQuantile in class org.apache.flink.metrics.HistogramStatistics

getValues

public long[] getValues()

Specified by:

getValues in class org.apache.flink.metrics.HistogramStatistics

size

public int size()

Specified by:

size in class org.apache.flink.metrics.HistogramStatistics

getMean

public double getMean()

Specified by:

getMean in class org.apache.flink.metrics.HistogramStatistics

getStdDev

public double getStdDev()

Specified by:

getStdDev in class org.apache.flink.metrics.HistogramStatistics

getMax

public long getMax()

Specified by:

getMax in class org.apache.flink.metrics.HistogramStatistics

getMin

public long getMin()

Specified by:

getMin in class org.apache.flink.metrics.HistogramStatistics